/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) by Kongsberg Oil & Gas Technologies.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  ("GPL") version 2 as published by the Free Software Foundation.
 *  See the file LICENSE.GPL at the root directory of this source
 *  distribution for additional information about the GNU GPL.
 *
 *  For using Coin with software that can not be combined with the GNU
 *  GPL, and for taking advantage of the additional benefits of our
 *  support services, please contact Kongsberg Oil & Gas Technologies
 *  about acquiring a Coin Professional Edition License.
 *
 *  See http://www.coin3d.org/ for more information.
 *
 *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
 *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
 *
\**************************************************************************/

#ifndef DO_JUMPVEC3F_H
#define DO_JUMPVEC3F_H


#include <Inventor/engines/SoSubEngine.h>
#include <Inventor/engines/SoEngineOutput.h>
#include <Inventor/fields/SoSFTime.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoSFVec3f.h>
#include <Inventor/fields/SoSFTrigger.h>

class COIN_DLL_API SoJumpVec3f : public SoEngine {
  typedef SoEngine inherited;
  SO_ENGINE_HEADER(SoJumpVec3f);

  SoSFTime    in_time_;
  bool        is_moving_;
  double      start_time_sec_;

public:
  struct {
    SoSFVec3f   startPos;       ///< Start position of jump. Default {0, 0, 0}.
    SoSFVec3f   landPos;        ///< Land position of jump. Default {0, 0, -1}
    SoSFVec3f   force;          ///< Gravity force vector. Default {0, -9.8, 0}
    SoSFBool    isEnabled;      ///< Enables jump notification. Default {true}
    SoSFTrigger jump;           ///< Triggers a jump if enabled
  } in;

  struct {
    SoEngineOutput currentPos;  ///< SoSFVEc3f - Current position
    SoEngineOutput isMoving;    ///< SoSFBool  - Jump state
  } out;

  static void initClass();

  SoJumpVec3f();
  SoJumpVec3f(SbVec3fc& startPos, SbVec3fc& landPos);
  SoJumpVec3f(SbVec3fc& startPos, SbVec3fc& landPos, SbVec3fc& force);

protected:
  virtual ~SoJumpVec3f(void);

  virtual void inputChanged(SoField * which);
  virtual void writeInstance(SoOutput * out);
  virtual void evaluate(void);
};

#endif // DO_JUMPVEC3F_H
